Luminaire



FIG. 1 is a perspective view of a new ornamental design for a luminaire;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a left-side elevation view thereof.

In the drawings, the dash-dot-dash broken lines indicate the boundaries of the claimed invention while the broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

The ornamental design for a luminaire, as shown and described. 